from hello import make_pizza
from hello.make_pizza import make_pizzas as mp    # as 给函数指定别名
from hello.make_pizza import *  # 最好不要全部导入，可能会发生重名

import make_pizza as p    # 给模块起别名

p.make_pizzas(55,'jkkj')  # 导入整个模块
mp(16,'pepperoni')  # 导入特定函数



